CN216476788U - Single-bolt door lock with multiple control modes and door comprising single-bolt door lock - Google Patents

Abstract

The utility model discloses a single-bolt door lock with multiple control modes and a door comprising the single-bolt door lock, comprising a shell; a lock tongue which is slidably connected in the housing and one end of which can be exposed out of the housing; the first shifting fork is rotatably arranged in the shell and provided with a first shifting strip; the second shifting fork is rotatably arranged in the shell and provided with a second shifting strip, a push-pull strip and a shifting part, the second shifting strip is matched with the first shifting strip, and the push-pull strip is used for driving the lock tongue to slide; the knob rotating block is rotatably arranged in the shell and provided with a shifting block, and the shifting block is matched with the shifting part; wherein, in first shift fork, second shift fork and the knob turning block, rotate one of them, the homoenergetic passes through the second shift fork drive spring bolt and slides. The single lock tongue is driven in multiple control modes through the linkage of the first shifting fork, the second shifting fork and the knob rotating block, and the lock tongue can be suitable for more market users with different use requirements. The utility model relates to the technical field of lock bodies.

Description

Single-bolt door lock with multiple control modes and door comprising single-bolt door lock

Technical Field

The utility model relates to a single-bolt door lock with multiple control modes and a door comprising the single-bolt door lock, belonging to the technical field of lock bodies.

Background

The door lock is used as a mechanism for controlling opening and closing of the door, and is frequently used when the door is opened and closed. The conventional door lock generally includes a lock body and a handle, and when a user presses or lifts the handle, a bolt in the lock body is controlled to extend or retract, and then the handle is reset through a return mechanism inside the lock body.

The invisible door is mainly applied to the fields of hidden doors, toilet doors, windows and the like as one of door types. Only one side of the door is provided with a handle and other control components, and the other side is not provided with the control components. And generally, a single-bolt lock body is adopted to improve the invisible effect.

However, such single-bolt lock bodies can be generally controlled only by a handle or a knob, and the control mode is less; the door lock adopting various control modes is generally a double-bolt or multi-bolt lock body, and a scheme of a multi-control mode aiming at a single-bolt lock body is not provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one of the technical problems in the prior art, and provides a multi-control mode single-bolt door lock and a door comprising the same, which can realize the control of a single-bolt lock body by multiple control modes.

According to an embodiment of the first aspect of the present invention, there is provided a multi-control mode single-bolt door lock, including:

a housing;

a latch slidably coupled to the housing, one end of the latch being exposed to the housing;

the first shifting fork is rotatably arranged in the shell and is provided with a first shifting strip;

the second shifting fork is rotatably arranged in the shell and provided with a second shifting strip, a push-pull strip and a shifting part, the second shifting strip is matched with the first shifting strip, and the push-pull strip is used for driving the lock tongue to slide;

the knob rotating block is rotatably arranged in the shell and provided with a shifting block, and the shifting block is matched with the shifting part;

and one of the first shifting fork, the second shifting fork and the knob turning block is turned, and the lock tongue can be driven to slide by the second shifting fork.

According to the embodiment of the first aspect of the utility model, further, the multi-control mode single-bolt door lock further comprises an emergency switch rotating block, and the emergency switch rotating block is connected with the second shifting fork.

According to an embodiment of the first aspect of the present invention, further, the multi-control single-bolt door lock further includes a buffer, and two ends of the buffer are respectively hinged to the housing and the first fork.

According to the embodiment of the first aspect of the present invention, further, the multi-control single-bolt door lock further includes a buffer and a linkage arm, the buffer is fixedly installed in the housing, and two ends of the linkage arm are respectively hinged to an output end of the buffer and the first shifting fork.

According to the embodiment of the first aspect of the present invention, further, the multi-control single-bolt door lock further includes a linkage member, the linkage member is provided with a driving hole, the driving hole is used for being connected with a handle, the linkage member is connected with the first shifting fork, and the linkage member is hinged to the linkage arm.

According to the embodiment of the first aspect of the present invention, further, the multi-control single-bolt door lock further includes a return torsion spring, and two ends of the return torsion spring are respectively connected to the linkage and the housing.

According to the embodiment of the first aspect of the present invention, further, the linkage member is further provided with a linkage block, the linkage member can rotate relative to the first shifting fork, the first shifting fork is further provided with an avoidance empty slot, and the linkage block is located in the avoidance empty slot; the avoidance empty groove provides a stroke space for the linkage block without linking the first shifting fork in the process that the reset torsion spring drives the linkage piece to reset and rotate; and the linkage piece is rotated, and the linkage block can be in contact with one end face of the avoidance empty groove and drives the first shifting fork to rotate in the same direction.

According to the embodiment of the first aspect of the present invention, the multi-control single-bolt door lock further includes a limiting torsion spring, two ends of the limiting torsion spring are respectively hinged to the second fork and the housing, the posture of the limiting torsion spring is a first posture when the bolt is completely extended, the posture of the limiting torsion spring is a second posture when the bolt is completely retracted, the limiting torsion spring is always in a compressed state, and the elastic potential energy of the limiting torsion spring is increased and then decreased in the process of the limiting torsion spring changing from the first posture to the second posture.

According to an embodiment of the first aspect of the present invention, further, the first dial strip and the second dial strip are both rack-shaped, and the first dial strip and the second dial strip are engaged with each other.

According to a second aspect of the present invention, there is provided a door, comprising a door main body, wherein the door main body is provided with a single-bolt door lock with multiple control modes according to any one of the above aspects.

The embodiment of the utility model has the beneficial effects that: the door lock realizes the driving of a single lock tongue under various control modes through the linkage of the first shifting fork, the second shifting fork and the knob rotating block, can be suitable for more market users with different use requirements, is convenient for the users to freely select and install one or more external operation components in three control modes on the surface of the door according to the use scenes of the users, ensures that the door lock is more in line with the use habits of different users, and is favorable for market popularization.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an embodiment of the present invention with the bolt extended;

FIG. 3 is a schematic view of an embodiment of the present invention at the instant of handle depression;

FIG. 4 is a schematic illustration of an embodiment of the present invention with the linkage reset;

FIG. 5 is a schematic view of an embodiment of the present invention with a knob and turning block driving a bolt to extend;

fig. 6 is a schematic view of the knob rotating block driving the bolt to retract in the embodiment of the utility model.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, the multi-control single-bolt door lock in the first embodiment of the present invention includes a housing 1, a bolt 2, a first fork 3, a second fork 4, and a knob block 11. The shell 1 is used as a structural frame of the single-bolt door lock with multiple control modes, and meanwhile, the internal parts of the single-bolt door lock are protected, and a part of the shell 1 is hidden in the attached drawings so as to show the technical key points of the utility model. The bolt 2 is connected in the shell 1 in a sliding way, and one end of the bolt can be exposed out of the shell 1 so as to be abutted with a lock hole matched with the bolt, thereby realizing the door locking effect. The first fork 3 is rotatably connected in the housing 1, and is provided with a first shifting bar 31 which is an integrated convex structure on the first fork 3. The second shifting fork 4 is rotatably connected in the housing, and is provided with a second shifting bar 41, a push-pull bar 42 and a shifting part 43 which are all integrated structures on the second shifting fork 4.

Wherein the first plectrum 31 is adapted to the second plectrum 41. Specifically, in some embodiments, the first dial 3 and the second dial 41 abut against each other, thereby enabling the linkage of the first fork 3 and the second fork 4. It can be understood that the linkage connection between the shifting strips is not limited to abutting connection, and can also adopt modes such as hinged linkage and the like, and the utility model belongs to the protection scope of the utility model.

In this embodiment, first strip 31 and second strip 41 are dialled and all are the rack form, and first strip 31 and second strip 41 intermeshing promote the smooth degree of linkage through the mode of rack toothing to use when promoting the switch lock is felt. It can be understood that the shape structure of the poking strip is not limited to tooth shape, and other transmission structures which are convenient for linkage connection can be adopted.

The push-pull strip 42 is used for driving the bolt 2 to slide, specifically, a sliding groove is formed in the bolt 2, a convex block is arranged on the push-pull strip 42, when the second shift fork 4 rotates, the convex block on the push-pull strip 42 slides in the sliding groove on the bolt 2, as shown in fig. 2, the whole bolt 2 is in a structure and a position, the bolt is limited to move only transversely, the push-pull strip 42 rotates circumferentially, the push-pull strip 42 can push against and move along the wall of the sliding groove, so that the bolt 2 can be driven to move transversely, and the extension or retraction of the bolt can be controlled.

The knob rotating block 11 is connected with the knob and is rotatably disposed in the housing 1. The knob rotating block 11 is provided with a shifting block 111, and the shifting block 111 is matched with the shifting part 43, so that when the knob rotating block 11 is rotated, the shifting block 11 can drive the second shifting fork 4 to rotate. In some embodiments, the dial 111 and the dial 43 are both convex, and the sides of the dial 111 and the dial 43 can abut against each other, so that the dial 43 can be driven to move when the dial 111 moves. In this embodiment, the toggle part 43 is recessed inwards, and the toggle block 111 can be clamped into the recess and drive the toggle part 43 to move. It is understood that other transmission modes for facilitating linkage connection can be adopted for the dial block 111 and the dial portion 43.

The first shifting fork 3, the second shifting fork 4 and the knob turning block 11 correspond to three control modes of handle control, emergency switch control and knob control respectively, and can drive the lock tongue 2 to move, so that linkage of multiple control modes is realized. And the three control modes do not need to be controlled simultaneously, a user can freely select one or more of three external operation components of a handle, a knob switch and an emergency switch hole according to the requirements of the use environment or the operation habits of personal opening and closing of the door, comfortable lock body test feeling is provided for the user, and the universal lock has higher universality. Even if one operating component is damaged, the other operating component can still be used for realizing the locking or unlocking of the operation; the user has a plurality of control options, does not use single operating assembly all the time, greatly reduced operating assembly's wearing and tearing, undoubtedly increased the life of lock.

In order to prevent the door from being closed carelessly and cannot be opened outside the door, and provide an outdoor safety for some market users, in some embodiments, the multi-control single-bolt door lock further comprises an emergency switch rotating block 6, the emergency switch rotating block 6 is connected with the second shifting fork 4, and the emergency switch rotating block 6 controls the second shifting fork 4 to rotate so as to realize the door opening and closing. Further, the emergency switch rotating block 6 is provided with a driving connecting portion, the driving connecting portion is used for being matched with an emergency unlocking tool, in some embodiments, the shape of the driving connecting portion and the shape of the emergency unlocking tool need to be matched, for example, the driving connecting portion can be designed into a cross concave hole, a straight concave hole, a hexagonal concave hole and the like of a screw head, and then tools such as a screwdriver and a hexagonal key can be used as the unlocking tool; of course, it is understood that the male and female mating structures may be interchanged between the drive connection and the unlocking tool, such as similar mating structures, are within the scope of this invention.

In order to meet the design of an invisible door, the single-bolt door lock with multiple control modes is arranged behind a door main body, an unobtrusive through hole is formed in the outer side of the door main body, an unlocking tool is used to penetrate into the through hole and can be in adaptive connection with a driving connecting part, and the emergency switch rotating block 6 can be controlled through the unlocking tool to drive the second shifting fork 4 so as to control the bolt to extend out or retract.

Furthermore, the single-bolt door lock with multiple control modes further comprises a buffer 5, wherein one end of the buffer 5 is connected with the first shifting fork 3, and the connection mode can be direct connection or indirect connection. In some embodiments, the two ends of the buffer 5 are respectively hinged to the housing and the first fork 3 of the first fork 1, so that when the first fork 3 is driven to rotate, the output end of the buffer 5 is also driven, and generates buffering force for the rotation of the first fork 3, thereby reducing noise caused by locking and unlocking. In this embodiment, this many control methods's single spring bolt door lock still includes interlock arm 7, and buffer 5 fixed mounting is in shell 1, and the both ends of interlock arm 7 articulate respectively to the output of buffer 5 and first shift fork 3, and buffer 5 and first shift fork 3 constitute indirect connection. In the locking and unlocking process, the buffer 5 cannot swing to a large extent, and only the linkage arm 7 is used as a linkage piece between the buffer 5 and the first shifting fork 3 to generate adaptive deflection, so that interference on other parts in the lock body cannot be caused.

Specifically, the buffer 5 is a one-way buffer, and has damping buffering during compression and no damping buffering during stretching, so that resistance cannot be generated during driving by using the handle, and the buffer function can be realized only when the handle is reset.

Referring to fig. 2 to 3, when the first fork 3 rotates, the second fork 4 and the buffer 5 are driven in a linkage manner, and finally a push-pull bar 42 on the second fork 4 acts on the locking bolt 2, so that the locking bolt 2 is driven to slide. In the process, the buffer 5 has a buffering effect on the rotation of the first shifting fork 3, so that the sound generated by mutual collision of parts in the lock body is reduced, and the hand feeling during locking and unlocking can be improved.

In order to realize linkage control connection between the handle and the first shifting fork 3, the multi-control mode single-bolt door lock further comprises a linkage part 8, the linkage part 8 is provided with a driving hole 81, the driving hole 81 is used for being connected with the handle, the linkage part 8 is connected with the first shifting fork 3, and the linkage part 8 is hinged with the linkage arm 7. The handle can thus drive the first fork 3 via the linkage 8 to realize the on-off locking.

In order to rotate the handle and enable the handle to return automatically, furthermore, the multi-control single-bolt door lock further comprises a reset torsion spring 9, and two ends of the reset torsion spring 9 are respectively connected to the linkage piece 8 and the shell 1. The installation and the principle of the reset torsion spring 9 of the door lock are known by those skilled in the art, specifically, after the reset torsion spring 9 stores elastic potential energy, two extending feet (namely two ends) thereof are simultaneously clamped on two sides of the reset protrusion on the linkage member 8 and two sides of the fixed protrusion inside the shell 1, after the installation, when the handle is in a natural horizontal state, the reset protrusion of the linkage member 8 is overlapped with the fixed protrusion inside the shell 1; after the external force driving the linkage member 8 to rotate is removed, the reset torsion spring 9 releases elastic potential energy, the extending pin which rotates pushes against and drives the reset protrusion of the linkage member 8 to drive the linkage member 8 to reset, the linkage member 8 is synchronously and rotatably connected with the handle, and therefore the linkage member 8 drives the handle to reset.

Referring to fig. 2, further, the linkage member 8 can rotate relative to the first fork 3, the linkage member 8 is further provided with a linkage block 82, the first fork 3 is further provided with an avoidance empty groove 32, and the linkage block 82 is arranged in the avoidance empty groove 32. When a user rotates the second shifting fork 4 to control the bolt 2 to stretch out and draw back through other control modes, the first shifting fork 3 rotates along with the rotation, but the avoidance empty groove 32 provides an avoidance space for the linkage block 82, so that under the condition, the rotation of the first shifting fork 3 is not influenced, the linkage part 8 is not driven, the linkage part 8 keeps static, the handle connected with the linkage part does not rotate, the linkage handle does not rotate due to other control modes, three operation components can be used relatively independently, and the use experience of the user and the service life of the door lock are improved. When a user controls the switch lock through the handle, the linkage piece 8 is driven by the handle to rotate, the first driving block 82 is in contact with one end face of the avoidance empty groove 32 and drives the first shifting fork 3 to rotate, and normal driving of the switch lock by the handle is achieved.

Further, this single spring bolt door lock of many control modes still includes spacing torsional spring 10, and its both ends articulate respectively to second shift fork 4 and shell 1. Referring to fig. 2, at this time, the bolt 2 is completely exposed, the limiting torsion spring 10 is located at the extreme of the travel thereof, and the posture of the limiting torsion spring 10 at this time is set as a first posture; referring to fig. 3, at this time, the bolt 2 is completely retracted, the limit torsion spring 10 is located at the other extreme of the stroke, and the posture of the limit torsion spring 10 is set to be the second posture. The restraining torsion spring 10 is always in a compressed state. In the process that the limiting torsion spring 10 is changed from the first posture to the second posture, the limiting torsion spring 10 is compressed further first, and is released after crossing the maximum compression posture, and the elastic potential energy of the limiting torsion spring is increased and then reduced. By adopting the design, the limiting torsion spring 10 can perform certain assistance in the rear half section of unlocking or the rear half section of locking, so that the hand feeling of locking and unlocking is improved; and when the bolt 2 is in the complete exposure or retraction state, the limiting torsion spring 10 can force the bolt 2 to be positioned at the unlocking or locking position, and has a self-locking function.

The flow of the multi-control mode single-bolt door lock for controlling unlocking through the handle is described as follows:

referring to fig. 2, at this time, the latch 2 is completely exposed from the housing 1, the linkage 8 is in an initial state, the handle connected thereto is horizontally disposed, the buffer 5 is in a maximum compression state, and the limit torsion spring 10 is in a first posture.

Referring to fig. 3, when the handle is pressed down, the linkage 8 connected with the handle rotates clockwise, and the buffer 5 is driven by the linkage arm 7 and is in a stretching state. The linkage block 82 on the linkage piece 8 contacts with one side of the avoidance empty groove 32 on the first shifting fork 3 and drives the first shifting fork 3 to rotate clockwise. The first shifting bar 31 drives the second shifting bar 41 to further drive the second shifting fork 4 to rotate anticlockwise. At this time, the push-pull bar 42 on the second fork 4 drives the bolt 2 to retract. The limiting torsion spring 10 changes to a second posture, the second shifting fork 4 is positioned, and the bolt 2 is kept in a retracting state.

Referring to fig. 4, when the external force on the handle is removed, the reset torsion spring 9 drives the linkage member 8 to return to the initial state, the handle returns to the horizontal position, the linkage block 82 is not in contact with one end surface of the avoidance empty groove 32, the first shifting fork 3 is not driven, and the state of the bolt 2 is not changed. The buffer 5 is compressed to buffer the resetting of the handle and reduce the generated noise. Therefore, the bolt 2 retracts, the handle returns to the original position, and unlocking is completed.

When the lock is closed, the handle is lifted to drive the lock to be closed, the working process is similar to that of unlocking, and the detailed description is omitted.

The flow of the multi-control mode single-bolt door lock for controlling unlocking through the knob is described as follows:

referring to fig. 5, the latch 2 is completely exposed from the housing 1, and the position-limiting torsion spring 10 is in the first posture.

Referring to fig. 6, the knob rotating block 11 rotates clockwise, and the shifting block 111 thereon shifts the shifting portion 43 of the second fork 4 and drives the second fork 4 to rotate counterclockwise. At this time, the first shifting fork 3 is also linked by the second shifting fork 4, but the avoidance empty groove 32 does not drive the linkage block 82, the linkage piece 8 is not driven, and the handle does not rotate. The bolt 2 is driven and retract by the push-pull strip 42 on the second shifting fork 4, the limiting torsion spring 10 changes to the second posture and positions the second shifting fork 4, the bolt 2 is kept in the retracted state, and unlocking is completed.

When the lock is closed, the knob rotating block 11 rotates anticlockwise, the working process is similar to that of unlocking, and details are not repeated.

The door in the second aspect of the present invention includes a door main body, and the single-bolt door lock with multiple control modes as described above is installed on the door main body.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims (10)

1. The utility model provides a single spring bolt lock of many control modes which characterized in that includes:

a housing (1);

a latch (2) slidably connected to the housing (1) and having one end exposed to the housing (1);

a first fork (3) rotatably arranged in the housing (1), the first fork (3) being provided with a first fork strip (31);

the second shifting fork (4) is rotatably arranged in the shell (1), the second shifting fork (4) is provided with a second shifting strip (41), a push-pull strip (42) and a shifting part (43), the second shifting strip (41) is matched with the first shifting strip (31), and the push-pull strip (42) is used for driving the lock tongue (2) to slide;

the knob rotating block (11) is rotatably arranged in the shell (1), the knob rotating block (11) is provided with a shifting block (111), and the shifting block (111) is matched with the shifting part (43);

the first shifting fork (3), the second shifting fork (4) and the knob rotating block (11) rotate one of the first shifting fork, and the lock tongue (2) can be driven to slide through the second shifting fork (4).

2. The multiple control mode single-bolt door lock according to claim 1, characterized in that: the single-bolt door lock with multiple control modes further comprises an emergency switch rotating block (6), and the emergency switch rotating block (6) is connected with the second shifting fork (4).

3. The multiple control mode single-bolt door lock according to claim 1, characterized in that: the single-bolt door lock with multiple control modes further comprises a buffer (5), and two ends of the buffer (5) are hinged to the shell (1) and the first shifting fork (3) respectively.

4. The multiple control mode single-bolt door lock according to claim 1, characterized in that: the multi-control-mode single-bolt door lock further comprises a buffer (5) and a linkage arm (7), wherein the buffer (5) is fixedly installed in the shell (1), and two ends of the linkage arm (7) are hinged to the output end of the buffer (5) and the first shifting fork (3) respectively.

5. The multiple control mode single-bolt door lock of claim 4, wherein: the single-bolt door lock with multiple control modes further comprises a linkage piece (8), wherein the linkage piece (8) is provided with a driving hole (81), the driving hole (81) is used for being connected with a handle, the linkage piece (8) is connected with the first shifting fork (3), and the linkage piece (8) is hinged to the linkage arm (7).

6. The multiple control mode single-bolt door lock of claim 5, characterized in that: the single-bolt door lock with multiple control modes further comprises a reset torsion spring (9), and two ends of the reset torsion spring (9) are connected to the linkage piece (8) and the shell (1) respectively.

7. The multi-control mode single-bolt door lock of claim 6, wherein: the linkage piece (8) is further provided with a linkage block (82), the linkage piece (8) can rotate relative to the first shifting fork (3), the first shifting fork (3) is further provided with an avoiding empty groove (32), and the linkage block (82) is located in the avoiding empty groove (32); in the process that the reset torsion spring (9) drives the linkage piece (8) to reset and rotate, the avoidance empty groove (32) provides a stroke space for the linkage block (82) and does not link the first shifting fork (3); the linkage piece (8) is rotated, the linkage block (82) can be in contact with one end face of the avoidance empty groove (32), and the first shifting fork (3) is driven to rotate in the same direction.

8. The multiple control mode single-bolt door lock of claim 7, wherein: many control mode's single spring bolt door lock still includes spacing torsional spring (10), the both ends of spacing torsional spring (10) articulate respectively to second shift fork (4) with shell (1), when spring bolt (2) are stretched out completely the gesture of spacing torsional spring (10) is first gesture, when spring bolt (2) retract completely the gesture of spacing torsional spring (10) is the second gesture, spacing torsional spring (10) are in compression state always, spacing torsional spring (10) are followed first gesture changes extremely the in-process of second gesture, the elastic potential energy of spacing torsional spring (10) increases earlier the back and reduces.

9. The multi-control mode single-bolt door lock according to claim 1, characterized in that: the first shifting strip (31) and the second shifting strip (41) are both in a rack shape, and the first shifting strip (31) and the second shifting strip (41) are meshed with each other.

10. A door, characterized in that: the multi-control mode single-bolt door lock comprises a door main body, wherein the single-bolt door lock with multiple control modes is installed on the door main body, and any one of claims 1 to 9 is installed on the door main body.

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